非线性等离子体纳米尺度波导中的二次相位匹配
Quadratic phase matching in nonlinear plasmonic nanoscale waveguides.
作者信息
Davoyan Arthur R, Shadrivov Ilya V, Kivshar Yuri S
机构信息
Nonlinear Physics Center, Research School of Physics and Engineering, Australian National University, Canberra ACT 0200, Australia.
出版信息
Opt Express. 2009 Oct 26;17(22):20063-8. doi: 10.1364/OE.17.020063.
We analyze phase matching in metal-dielectric nonlinear structures which support highly localized plasmon polariton modes. We reveal that quadratic phase matching between the plasmon modes of different symmetries becomes possible in planar waveguide geometries. We discuss the example of a nonlinear LiNbO(3) waveguide sandwiched between two silver plates, and demonstrate that second-harmonic generation can be achieved for interacting plasmonic modes.
我们分析了支持高度局域化表面等离激元极化激元模式的金属-电介质非线性结构中的相位匹配。我们发现，在平面波导几何结构中，不同对称性的表面等离激元模式之间的二次相位匹配成为可能。我们讨论了夹在两个银板之间的非线性铌酸锂（LiNbO₃）波导的例子，并证明了相互作用的表面等离激元模式可以实现二次谐波产生。
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